Answer:
The answer is psychoanalysis.
Step-by-step explanation:
Psychoanalysis refers to some theories as well as some therapeutic techniques that have a relationship with the unconscious mind's study.
Both of them establish a method of treatment related to mental health disorders. Sigmund Freud was the person who established this discipline in the 1890s. Psychoanalysis's validity as a science is usually refused. However, it has an important influence in terms of psychiatry. Psychoanalytic concepts are usually utilized in areas like psychoanalytic literary criticism, the analysis of films, and fairy tales.